ImunifyAV is a free malware scanner. It scans for malware, however, it does not provide any sort of cleaning capability.
ImunifyAV+ is a premium malware scanner. An upgraded version of ImunifyAV. It provides malware scanning as well as clean up and reputation management.
Imunify360 is a complete web server security software. It has all the capability of ImunifyAV+ as well as other features, such as Firewall, Web Application Firewall, hardened PHP, KernelCare, Proactive defense, and backup integration.
ImunifyAV is free to be used in cPanel & WHM version 88, and it can be installed from WHM -> Security Advisor. Additionally, the application can be managed via WHM -> Manage Plugins.
For more information: https://blog.cpanel.com/imunifyav-plus-strengthen-your-site-security/#safer